Home / 20,002.23-30,002.98-5,971.78

Finding the Fourth Proportional to 20,002.23, 30,002.98 and 5,971.78

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Solution

The fourth proportional to 20,002.23, 30,002.98 and 5,971.78 is: 8,957.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.23 : 30,002.98 = 5,971.78 : x
  2. Step 2: Convert to fraction form
    20,002.23/30,002.98 = 5,971.78/x
  3. Step 3: Cross multiply
    20,002.23x = 30,002.98 × 5,971.78
  4. Step 4: Simplify right side
    20,002.23x = 179,171,195.90
  5. Step 5: Solve for x
    x = 179,171,195.90/20,002.23
  6. Step 6: Final answer
    x = 8,957.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.